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/* Methods Of Electrostatics, Magnetostatics & Quasi-Statics */
where <math> \hat{\mathbf{n}} </math> is the unit normal vector at the interface pointing from medium 1 towards medium 2,<b>B(r)</b> = μ<b>H(r)</b> is the magnetic flux density, <b>H(r)</b> is the magnetic field vector, and <b>J<sub>s</sub></b> is the surface current density at the interface.
